| 摘要 |
<p>An amino-formaldehyde moulding composition is made by compounding together an aqueous amino-formaldehyde resin solution to provide 0 to 90 percent by weight of the resin component of the composition, filler to make up 20 to 60 percent by weight of the moulding composition and UF resin which had a low degree of condensation, is solid at room temperature, contains a modifier and makes up 4 to 80 percent by weight of the moulding composition. The moulding compositions themselves are also disclosed.</p> |
